File and Information
Terminal File
Patch / DLL File
Patch/DLL Metatrader 4
Patch/DLL Metatrader 5
How To Replace Terminal Version (Downgrade/Upgrade) MT4 and MT5
1. Close the MT4/MT5 Terminal
- Why: The
terminal.exefile cannot be replaced while the terminal is running. - How:
- Simply exit the application by clicking on
File>Exit. - Ensure that the terminal is completely closed by checking your task manager (
Ctrl + Shift + Esc) for any remaining processes and ending them if necessary.
- Simply exit the application by clicking on
2. Navigate to the Installation Directory
- Why: You need to locate where the
terminal.exefile is stored in order to replace it. - How:
- Right-click on the MT4/MT5 shortcut on your desktop or in your start menu.
- Select
Open file location. - This will take you directly to the folder where
terminal.exeis located. - Alternatively, you can manually navigate to the directory, typically found at:
- For MT4:
C:\Program Files\MetaTrader 4\orC:\Program Files (x86)\MetaTrader 4 (YOUR BROKER) - For MT5:
C:\Program Files\MetaTrader 5\orC:\Program Files\MetaTrader 5 (YOUR BROKER)
- For MT4:
 
3. Rename the Existing terminal.exe File
- Why: Renaming the existing file provides a backup in case you need to revert to it.
- How:
- Right-click on
terminal.exe. - Select
Renameand change the name to something liketerminal_backup.exe.
- Right-click on
4. Copy the New terminal.exe File
- Why: This is the step where you replace the old
terminal.exewith the new one. - How:
- Locate the new
terminal.exefile that you want to use (usually downloaded from a trusted source or extracted from an archive). - Copy this file (
Ctrl + C). - Go back to the directory where the old
terminal.exewas located. - Paste the new
terminal.exefile into this directory (Ctrl + V).Â
- Locate the new
5. Open and Check the MT4/MT5 Terminal build version
- Why: Confirm that the terminal runs correctly with the new
terminal.exefile. - How:
- Double-click on the
terminal.exefile or use the usual shortcut to launch the terminal. - Verify that it starts up correctly and check the build version, go to Help-About
- Double-click on the
How to Install DLL/Patch File
Important Notice for DLL Installation on MT4/MT5
NOTE: Disable your antivirus before downloading or installing DLL products if you are using a personal computer or laptop.
Alternatively, you can install DLL files directly without disabling your antivirus by using a VPS. Please note that DLL files do not work on MacOS! Ensure you are using Windows 10/11 or Windows Server 2016 or earlier.
Step-by-Step Guide to Install DLL Files on MT4/MT5
1. Navigate to the MT4/MT5 Installation Directory
- Right-click on the MT4/MT5 shortcut on your desktop or in your start menu.
- Select
Open file location. - This will take you directly to the root folder/installation folder.
- Alternatively, you can manually navigate to the directory, typically found at:
- For MT4:
C:\Program Files (x86)\MetaTrader 4orC:\Program Files (x86)\MetaTrader 4 (YOUR BROKER) - For MT5:
C:\Program Files\MetaTrader 5orC:\Program Files\MetaTrader 5 (YOUR BROKER)
- For MT4:
2. Copy and Paste DLL Files
Copy all necessary DLL files such as fix folders, DLL files, launcher.exe, and terminal.exe into the root folder/installation folder of MT4/MT5.
3. Run Launcher.exe
Use launcher.exe instead of terminal.exe. You can create a desktop shortcut to make it easier to access. You will need to use the launcher every time you open the terminal to ensure the DLL files work correctly. If you do not use the launcher, the DLL files will not function properly.
4. Double-Check the Installation
Ensure that everything has been copied correctly to the root folder/installation folder of MT4/MT5.
5. Configure Expert Advisors
For some products or EAs, you may need to add certain URLs. Open launcher.exe, go to Tools > Options, select the Expert Advisors tab, check Allow DLL imports and Allow WebRequest for listed URL, and enter the required URLs in the provided field.
6. Copy the EA File
Copy the EA file by navigating to File > Open Data Folder, then go into the MQL4/MQL5 folder and copy the file to the appropriate folder.
7. Load the EA onto the Chart
Load the EA onto your chart. At this point, the product should be active because the DLL files are working correctly.
